Question

    Rise of oil a wick is due to –

    A density of the oil Correct Answer Incorrect Answer
    B viscosity of the oil Correct Answer Incorrect Answer
    C surface tension of the oil Correct Answer Incorrect Answer
    D pressure of the oil Correct Answer Incorrect Answer

    Solution

    Thephenomenonofriseorfallof liquidinacapillarytubeiscalledcapillarity.Oil rises through a wick due to capillarity. The narrowporesinthethreadsofawickactliketiny capillaries, through which oil rises. Capillary action is the result of adhesion and surface tension.

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